Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym AD2 is...

AD2 is

  • ADPCM 2-bit compressed voice file (ZFAX)

AD2 is also in:

Acronym Definition Searched: CREB AAV ADE USGT SIGNA WS7 WDP SYH KR 88020 STEM STAC TIFS 98240 KEA